Humphries, Mark
Current rating: 1460
Record: 3-5-1
| Grand Prix Atlanta 2015 (BFZ limited) | starting rating: 1459 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 194 | Toussaint, Joseph (1465) | Won 2-1 | +191478 |
| 2sealed | 204 | Garmon, Jeff (1528) | Draw 1-1 | 01478 |
| 3sealed | 430 | Sellers, Andy (1411) | Won 2-0 | +171495 |
| 4sealed | 237 | Eckert, James (1500) | Lost 0-2 | -181477 |
| 5sealed | 427 | Sandahl, Bryan (1515) | Lost 1-2 | -171460 |
| average opponent: 1484record: 2-2-1 | new rating: 1460 | |||
| Grand Prix Charlotte 2015 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 1338 | Noble, Carter (1500) | Won 2-0 | +181518 |
| 2modern | 1240 | DiPrinzio, Nicholas (1354) | Lost 1-2 | -211497 |
| 3modern | 1469 | Arnold, Matthew (1482) | Lost 0-2 | -181479 |
| 4modern | 1613 | Miller, Jonathan (1404) | Lost 0-2 | -201459 |
| average opponent: 1435record: 1-3 | new rating: 1459 | |||